<template>
	<view>
		<view class="goods-list">
		  <view v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)">
			  <my-goods :goods="goods"></my-goods>
		  </view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求参数对象
				queryObj: {
				  // 查询关键词
				  query: '',
				  // 商品分类Id
				  cid: '',
				  // 页码值
				  pagenum: 1,
				  // 每页显示多少条数据
				  pagesize: 10
				},
				// 商品列表的数据
				goodsList: [],
				// 总数量，用来实现分页
				total: 0,
				defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
				isLoading: false
			};
		},
		
		onLoad(options) {
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			this.getGoodsList()
		},
		methods: {
			async getGoodsList(callback) {
				this.isLoading = true
				// 发起请求
				    const { data: res } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
					this.isLoading = false
					callback && callback()
				    if (res.meta.status !== 200) return uni.$showMsg()
				    // 为数据赋值
				    this.goodsList = [...this.goodsList ,...res.message.goods]
				    this.total = res.message.total
			},
			gotoDetail(item) {
				uni.navigateTo({
					url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
				})
			}
		},
		onReachBottom() {
			if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
			if (this.isLoading) return
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		onPullDownRefresh() {
			this.queryObj.pagenum = 1
			this.total = 0
			this.goodsList = []
			this.isLoading = false
			this.getGoodsList(() => uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">

</style>
